298  
NOUS43 KSGF 212207  
PNSSGF  
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-221015-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE SPRINGFIELD MO  
507 PM CDT SUN MAY 21 2017  
   
..NWS DAMAGE SURVEY FOR 05/19/2017 TORNADO EVENT - UPDATE 16
 
 
   
TORNADO 3 WNW OF WALNUT GROVE
 
 
RATING: EF-0  
ESTIMATED PEAK WIND: 85 MPH  
PATH LENGTH /STATUTE/: 0.57 MILES  
PATH WIDTH /MAXIMUM/: 100 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: 05/19/2017  
START TIME: 4:19 PM CDT  
START LOCATION: 3 MILES WNW OF WALNUT GROVE  
START LAT/LON: 37.4241/-93.5926  
END DATE: 05/19/2017  
END TIME: 4:20 PM CDT  
END LOCATION: 3 MILES WNW OF WALNUT GROVE  
END_LAT/LON: 37.4323/-93.5918  
 
SURVEY SUMMARY:  
 
AN EF0 TORNADO OCCURRED ALONG THE GREENE/POLK COUNTY LINE WNW OF  
WALNUT GROVE ON THE AFTERNOON OF MAY 19. DAMAGE INCLUDED SEVERAL  
UPROOTED TREES AND DAMAGE TO AN OUTBUILDING JUST INSIDE POLK  
COUNTY. THE TORNADO HAD A PATH LENGTH OF APPROXIMATELY 0.50 MILES  
WITH AN ESTIMATED PEAK WIND OF 85 MPH.  
 
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES  
TORNADOES INTO THE FOLLOWING CATEGORIES.  
 
EF0...WEAK......65 TO 85 MPH  
EF1...WEAK......86 TO 110 MPH  
EF2...STRONG....111 TO 135 MPH  
EF3...STRONG....136 TO 165 MPH  
EF4...VIOLENT...166 TO 200 MPH  
EF5...VIOLENT...>200 MPH  
 
NOTE:  
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO  
CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN  
NWS STORM DATA.  
 

 
 
BOXELL  
 
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